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a tsunami a tidal wave of of wavelength 4.8 *10^5 m travel at 200m/s in the open ocean determine the time between two successive incoming waves?
A collapsible plastic bag contains a glucose solution. If the average gauge pressure in the artery is 1.4 multiplied by 104Pa, what must be the minimum height, h, of the bag in order to infuse glucose into the artery? Suppose that the specific gra..
Two cars travel in the same direction along a straight highway, one at a constant speed of 55 mi/h and the other at 70 mi/h. How far must the faster car travel before it has a 15-min lead on the slower car
To warn his captain of the approaching army, a scout takes his bow and shoots a burning arrow straight vertically into the sky. What is the velocity of the arrow when it leaves the bow
A box of books weighing 397 N is shoved across the floor by a force of 543 N exerted downward at an angle of 37 degrees below the horizontal.
A wheel consists of 20 thin spokes, each with mass 0.070kg , attached to a rim of mass 4.4kg and radius 0.85m. Find its rotational inertia
How large a force F2 must the second crewman pull so that the net force of the two crewmen is in the forward direction.
A straight wire carrying a 2.7 A current is placed in a uniform magnetic field of magnitude 0.25 T directed perpendicular to the wire. Find the magnitude of the magnetic force on a section of the wire having a length of 10 cm
A sphere of styrofoam with a density of 152 kg/m3 has a 45 cm diameter. what is the maximum iron mass that can be suspended by a string from it so that it does not sink
Suppose that an electron trapped in a one-dimensional infinite well of width 322 pm is excited from its first excited state to the state with n = 5. What energy (in eV) must be transferred to the electron for this quantum jump
1. a a massless rope is stretched horizontally between two supports that are 3.0 m apart. when an object of weight 3200
q1.a 1800-kg jeep travels along a straight 500-m portion of highway from a to b at a constant speed of 10 ms. at b the
Ideally, when a thermometer is used to measure the temperature of an object, the temperature of the object itself should not change. What was the temperature of the water before the insertion of the thermometer
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